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US 3,938,110 AGranted
Method of controlling magnetic strip domains
AssigneeAgency of Industrial Science and Technology
InventorsShoei Kataoka, Toshio Tsurushima, Yoshinobu Sugiyama, Hisao Tanoue, Hideo Yamada, Yasuo Komamiya
Life of this patent
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Abstract
A method of controlling magnetic strip domains is disclosed wherein a magnetic material having at least one ion-implanted region is placed under a bias magnetic condition which permits magnetic strip domains to exist in said magnetic material and subjected to one or more control magnetic fields to thereby generate and/or control magnetic strip domains.
Claims41
A method of controlling magnetic strip domains comprising:
- putting magnetic material provided with at least one ion-implanted region under a bias magnetic condition which permits the existence of at least one magnetic strip domain in said magnetic material, and applying at least one control magnetic field to said magnetic material, whereby said magnetic strip domain is generated or controlled.
A logic device comprising:
- a magnetic material provided with at least one magnetic strip domain stretching region made by local ion-implantation, at least one means for generating at least one magnetic strip domain, at least one means for controlling the stretching of said at least one magnetic strip domain, and at least one detecting means for detecting said at least one controlled magnetic domain.
Dependencies are inferred from the claim text.